//extern "C" _declspec(dllexport) int WINAPI Advertise(wchar_t *sevName,wchar_t *sevPassword,wchar_t**clientAdd);
extern "C" _declspec(dllexport) int WINAPI Advertise(wchar_t *sevName); 
extern "C" _declspec(dllexport) int WINAPI Send(char *senStr);
extern "C" _declspec(dllexport) int WINAPI Recve(char**rcvStr,int length);
extern "C" _declspec(dllexport) int WINAPI Close();